<template>
  <el-row :gutter="20" class="home">
    <el-col :span="8" style="margin-top: 20px">
      <el-card shadow="hover">
        <div class="user">
          <img :src="userImg" alt="" />
          <div class="user-info">
            <p class="name">Admin</p>
            <p class="access">超级管理员</p>
          </div>
        </div>
        <!-- card body -->
        <div class="login-info">
          <p>上次登录时间:<span>2022-3-24</span></p>
          <p>上次登录地点:<span>广州</span></p>
        </div>
      </el-card>
      <el-card style="margin-top: 20px; height: 460px" shadow="hover">
        <el-table :data="tableData">
          <el-table-column
            :prop="key"
            :label="val"
            v-for="(val, key) in tableLabel"
            :key="key"
          >
          </el-table-column>
        </el-table>
      </el-card>
    </el-col>
    <el-col :span="16" style="margin-top: 20px">
      <div class="num">
        <el-card
          v-for="item in countData"
          :key="item.name"
          :body-style="{ display: 'flex', padding: 0 }"
          shadow="hover"
        >
          <i
            class="icon"
            :class="`el-icon-${item.icon}`"
            :style="{ background: item.color }"
          ></i>
          <div class="detail">
            <p class="num">￥{{ item.value }}</p>
            <p class="txt">￥{{ item.name }}</p>
          </div>
        </el-card>
      </div>
      <el-card style="height: 280px" shadow="hover">
        <div class="line-charts" ref="echarts"></div>
      </el-card>
      <div class="graph">
        <el-card style="height: 260px" shadow="hover">
          <div class="user-echarts" ref="userEcharts"></div>
        </el-card>
        <el-card style="height: 260px" shadow="hover">
          <div class="video-echarts" ref="videoEcharts"></div>
        </el-card>
      </div>
    </el-col>
  </el-row>
</template>

<script>
// @ is an alias to /src

import { getData } from '../../api/data.js'
import * as echarts from 'echarts'
export default {
  name: 'Home',
  data() {
    return {
      userImg: require('@/assets/img/user.png'),
      tableData: [],

      tableLabel: {
        name: '课程',
        todayBuy: '今日购买',
        monthBuy: '本月购买',
        totalBuy: '总购买'
      },
      countData: [
        {
          name: '今日支付订单',
          value: 1234,
          icon: 'success',
          color: '#2ec7c9'
        },
        {
          name: '今日收藏订单',
          value: 210,
          icon: 'star-on',
          color: '#ffb980'
        },
        {
          name: '今日未支付订单',
          value: 1234,
          icon: 's-goods',
          color: '#5ab1ef'
        },
        {
          name: '本月支付订单',
          value: 1234,
          icon: 'success',
          color: '#2ec7c9'
        },
        {
          name: '本月收藏订单',
          value: 210,
          icon: 'star-on',
          color: '#ffb980'
        },
        {
          name: '本月未支付订单',
          value: 1234,
          icon: 's-goods',
          color: '#5ab1ef'
        }
      ]
    }
  },
  mounted() {
    getData().then((res) => {
      const { code, data } = res
      if (code === 20000) {
        this.tableData = data.tableData
       
      
        const order = data.orderData
        const user = data.userData
        const video = data.videoData
        const xData = order.date

        const keyArray = Object.keys(order.data[0])
        const series = []
     
        keyArray.forEach((key) => {
          series.push({
            name: key,
     
            data: order.data.map((item) => item[key]),
            type: 'line'
          })
        })
        const option = {
          xAxis: {
            data: xData
          },
          yAxis: {},
          legend: {
            data: keyArray
          },
          series
        }
        const E = echarts.init(this.$refs.echarts)
        E.setOption(option)

        //用户图
        const userOption = {
          legend: {
            //图例文字颜色
            textStyle: {
              color: '#333'
            }
          },
          grid: {
            left: '20%'
          },
          //提示框
          tooltip: {
            trigger:'axis'
          },
          xAxis: {
            type:'category',//类目轴
            data: user.map(item => item.date),
            axisLine: {
              lineStyle: {
                color: '#17b3a3'
              }
            },
            axisLabel: {
              interval: 0,
              color: '#333'
            }
          },
          yAxis: [
            {
              type:'value',
              axisLine: {
                lineStyle: {
                  color:"#17b3a3"
                }
              }
            }
          ],
          color: ['#2ec7c9','#b6a2de'],
          series: [
            {
              name:'新增用户',
              data:user.map(item => item.new),
              type: 'bar'
            },
            {
              name:'活跃用户',
              data:user.map(item => item.active),
              type: 'bar'
            },
          ],
        }
        const U = echarts.init(this.$refs.userEcharts)
        U.setOption(userOption)

        //饼图
        const videoOption = {
          tooltip: {
            trigger:'item',
          },
          color:[
            '#0f78f4',
            '#dd536b',
            '#9462e5',
            '#a6a6a6',
            '#e1bb22',
            '#393c62',
            '#3ed1cf'
          ],
          series:[
            {
              data:video,
              type:'pie'
            }
          ]
        }
        const V = echarts.init(this.$refs.videoEcharts)  
        V.setOption(videoOption)
      }
    })
  }
}
</script>
<style lang="less" scoped>
.home {
  .line-charts {
    height: 280px;
  }
  .user-echarts {
    height: 240px;
  }
  .video-echarts {
    height: 240px;
  }
}
</style>
